Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270461AbTGNAHk (ORCPT ); Sun, 13 Jul 2003 20:07:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270462AbTGNAHk (ORCPT ); Sun, 13 Jul 2003 20:07:40 -0400 Received: from smtp.bitmover.com ([192.132.92.12]:19346 "EHLO smtp.bitmover.com") by vger.kernel.org with ESMTP id S270464AbTGNAHc (ORCPT ); Sun, 13 Jul 2003 20:07:32 -0400 Date: Sun, 13 Jul 2003 17:22:00 -0700 From: Larry McVoy To: "David S. Miller" Cc: Larry McVoy , roland@topspin.com, alan@storlinksemi.com, linux-kernel@vger.kernel.org, linux-net@vger.kernel.org, netdev@oss.sgi.com Subject: Re: TCP IP Offloading Interface Message-ID: <20030714002200.GA24697@work.bitmover.com> Mail-Followup-To: Larry McVoy , "David S. Miller" , Larry McVoy , roland@topspin.com, alan@storlinksemi.com, linux-kernel@vger.kernel.org, linux-net@vger.kernel.org, netdev@oss.sgi.com References: <20030713004818.4f1895be.davem@redhat.com> <52u19qwg53.fsf@topspin.com> <20030713160200.571716cf.davem@redhat.com> <20030713233503.GA31793@work.bitmover.com> <20030713164003.21839eb4.davem@redhat.com> <20030713235424.GB31793@work.bitmover.com> <20030713165323.3fc2601f.davem@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030713165323.3fc2601f.davem@redhat.com> User-Agent: Mutt/1.4i X-MailScanner-Information: Please contact the ISP for more information X-MailScanner: Found to be clean X-MailScanner-SpamCheck: not spam (whitelisted), SpamAssassin (score=0.5, required 7, AWL, DATE_IN_PAST_06_12) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 934 Lines: 22 On Sun, Jul 13, 2003 at 04:53:23PM -0700, David S. Miller wrote: > On Sun, 13 Jul 2003 16:54:24 -0700 > Larry McVoy wrote: > > > Every time I tried to push the page flip idea or offloading or any of > > that crap, Andy Bechtolsheim would tell "the CPUs will get faster faster > > than you can make that work". He was right. > > I really don't see why receive is so much of a big deal > compared to send, and we do a send side version of this > stuff already with zero problems. Hey, maybe it isn't, but could you please quantify the cost of the VM operations? How hard is that? -- --- Larry McVoy lm at bitmover.com http://www.bitmover.com/lm - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/